diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2006-12-20 10:03:53 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-27 14:20:07 -0200 |
| commit | 72f678c30185df18ac38ef14c9045d139c2263bc (patch) | |
| tree | 1c9c159c925bea6af264f4497c6ee6334d94f911 | |
| parent | b331daa03cd949b1b0a4b761b4b4a92d71f7d626 (diff) | |
V4L/DVB (4994): Vivi: fix use after free in list_for_each()
Freeing data including list_head in list_for_each() is not safe.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/vivi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 474ddb77964..3cead24a36c 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -1363,7 +1363,9 @@ static void __exit vivi_exit(void) struct vivi_dev *h; struct list_head *list; - list_for_each(list,&vivi_devlist) { + while (!list_empty(&vivi_devlist)) { + list = vivi_devlist.next; + list_del(list); h = list_entry(list, struct vivi_dev, vivi_devlist); kfree (h); } |